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Home > Archives > Volume 20, No 11 (2022) > Article

DOI: 10.14704/nq.2022.20.11.NQ66110

MULTIBAND FOUR-STUB MONOPOLE ANTENNA FOR WIFI/WIMAX/WLAN/UWB/X-BAND APPLICATIONS WITH DGS

Parimal Tiwari, K K Verma and Chandan

Abstract

This article demonstrates the four-stub multiband monopole antenna with Defected Ground Structure (DGS) for WiFi/WiMAX/WLAN/UWB/X-band applications. The dimensions of the proposed antenna are 30x28x1.6 mm3 and modelled on the FR4 substrate. The simulated result shows three bands which ranges from (2.4 – 3.3)/2.8 GHz, (4.6 – 5.1)/4.9 GHz and (8.3 – 13.9)/9.2 GHz with the return loss of -32dB, -19dB and -31dB and the impedance bandwidth of 32.14%, 10.20% and 60.9% respectively. The antenna gains are 2.8dBi, 3.2 dBi and 2.9dBi respectively at 2.8 GHz, 4.9GHz and 9.2 GHz and it makes the antenna much suitable for WiFi, WiMAX, lower and upper WLAN, Ultra Wide Band(UWB) and X-Band satellite link applications. The S-parameters and the radiation patterns are simulated and validated on the ANSYS HFSS software.

Keywords

Multiband monopole antenna, Defected Ground Structure, WLAN, WiMAX, UWB.

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